ML18046A221

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Confirms 801117-19 Meeting at Site to Observe Site Specific Features of Facility Re SEP Structural,Electrical & Topical Reviews.Open Items & Request for Addl Info Encl
ML18046A221
Person / Time
Site: Palisades Entergy icon.png
Issue date: 11/10/1980
From: Crutchfield D
Office of Nuclear Reactor Regulation
To: Hoffman D
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
References
LSO5-80-11-004, LSO5-80-11-4, NUDOCS 8012110414
Download: ML18046A221 (14)
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  • * ** *,:* iiltGUl.ATORY DbCKHlfCOPt... ***.
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Docket Nb. 50-255

  • .1 Mr. DavidP. Hoffman Nuclear Licensing Admin1str_ator-Consumers Power Company 212 ~est Michigan Averiue

,Jatkson, Michigan 49201

Dear Mr. Hoffman:

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DISTRIBUTION~%'."' *..

~Docket 5o:bl~ TERA.

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tOcal PDR ORB Readinq NRR Reading

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RTedesco GLa*i nas

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. H_Smith Twanibach*

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As recently di soussed with* rep,res*enti ve of Consumers Power Cqmpany in connection with the.NRC Systematic Evaluation Prqgram.(SEP), the ~taff will visit Palisade~ ~uclear Station on November 17-19, 1980.

The-

  • following staff membe.r.wfll.attend:.

William T. Russell Thomas M. Cheng Theodore S. Michaels Hulbert C. Li Har.old E. Polk Howard B. Holz

. 535-'40-6488

'058-40-7655

. " -. 057-20~3093

'., 567-08.-2:434

.. \\ '245-4.4-3378

.: 5:26-09-0202 J.. _,,

The purpose of this v.is1*Cis t~ ob~~rve -site sp~cific features* *of "the.*

Palisades Nuclear Station relative* to the SEP structural,.. electrical, *

    • and sys.tern toptcai.*r.e.v'i,ews, to1*,obtain informat'ion not available to<< the staff ori"the Pal)s-ade*s docket,'..and to distu~s op~n *items whi~h are...
  • identified based on staff's seismic review.. *. '-*.
  • En~losure l.identifie~ operi it¢ms irom our.sei~mi~ revie~.

Enclci~~re*~

identifies information' that* is:needed to continue.our revi.ew o.f Pa.lisades Stat:i9n. : The visiting* staff menibers plan.to arrive at the site.. at l :00 PM on November 17 *and inus t leave by 12: 00 noqn* o_n *November 19 to me.et this

  • tra.vel schedule.

Enclosures:

As stated cc ~/enclos~res:

Se.e 1next pa NRC FORM 318 (9-j6) NRCM 0240.

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-. S:i nee rely,

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... 1*

Dennis M. Cr_utchfield, Ch.ief.

Operatin~ R~actors Branch.#5

' D-i vis.ion of Licensing

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.. NUCLEAR REGULATORY COMMISSION WASt:tlP4GTON, i:>. c. 20555..

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Docket*No~*50-255 LS05-ao.:.11-004.

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  • Mr~ David.P. Hoffman November. i'o, 1980
  • .Nuclear Licensing Administrator Consumers Power Company 212 West Michigan Avenue Jackson~ Michigan. 49201 o~ar Mr. Hoffrri~n: **

As. recently discussed with representive of Consumers Power Company in connection with the NRC Systematic Evaluation Program (SEP), the staff will visit Palisades Nuclear Station on November 17-19, 1980.. Th~

. fol lowing staff member will attend:

William T. Russell Thomas M. Cheng Theodore s. Michaels Hu*l bert C. Li Harold E. Polk Howard.B. Holz The purpose of this* visit* is to observe. site specific features-of"the Palisades Nucl;ear Station relative to the SEP structural, electrical,.

and system topical reviews, to obtaili infonnation not available to the staff on the PaliSades docket, and to discuss open items which are identified based on staff's s~ismic review.

. Enclosure 1 identifies open it.ems from our seismic review. *

. identifies Jnfonnation that is needed to continue our review of Palisades

  • . Station. The visiting staff m~mbers plan to arrive at the site at 1 :00 PM.

on :November. 17.and must leave *by 12:00 noon on November: 19 to r.-eet this travel schedule.

.. Sincerely, *

.~*7-:*ff-~.

j..

  • *,. Dennis M. Crutchfi'eld, Chief

.ri.... Operating Reactors.Branch #5*

Division of Licensing

Enclosures:

As stated cc w/enclosures:

See* next page.

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E~qu; ~~:..... '.--.:~:.. * -..

t:r. s. Environmental 'prote,,c,ti.oh.*

~;-~"'~.Ish_am~ ti ncol n.. & BeaJe.**.*.

- *., Suite 4200.*

  • One'1 First National Plaza*.

.. Chi ca go, ll 1 i noi s 60670

.* Mr.*; P au f A *. P.erry, Secretary.. : ~ _.

  • . *.Consumers Power Corrpany *...... * ** *,

.* *212*west, Michigan Avenue.:.

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. Federal Activities* Branch Reg.; on V Office.

. ATIN:

EIS COORDINATOR.

230 SouthDearborri S.treet. *

. Chicago, Illinois 60604 C.harles Bechhoefer;,. 'Esq.~* Chai nnan

  • .. Jack*s.on~* Michi.gan* 4920*l ~-

. Atomic Safety.and L.icensing Board.. * * *

. *. ** Panel

  • Ju~, L.** Bacon, Esquire*
  • . * *u. *s. Nucl~ar Regulatory Comnission Consumers Power Co111>ariy
  • 3~~~-~;~ -~~~~1.~:*ri ~~~~~--* -~~.:s~~~~~~~ '~: ~; *;~of~ ~Ge~~9kE*~A~d~~~ti*~-~ ~~

- * :.-i*.-*. s:~ :~ :~ :;r *,*!,:~~Part*ffiefa~*~ *9f-o~~anO~:a]>hY. ~

Myrort M.- Cherry,* Es.quire *.

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.. *university of Wash.ington Suite 4501

  • 98195 Orie* :-r-aM.Plaza.

Chic.a*gci, Illinois 60611**

~~:o-~~-k~.StanleYLivingston

: - 1005 Ca.ll e Largo
  • Ms-*. *M~ry P. Sinclafr*
.Sc.h~a
F-e, New Mexico 87501 Great L-a~*es Energy Alliance 57-1 l ~summers et Drive*

~:.:._: iris'i:d~~t *.I r:ispector.. ***

. Midland,.. Michigan 48640

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  • c/o U. 'S;. NRC P~ O. Box 87 Kalamazoo Public Library.

South* Haven,* MiCh.i9a*n *= 49090. *

~~ti;~~~~, R~~~h~~~~et 49006 >. : *.

  • Pali ~ade~- Pl~nt,

-~ - ~. :. : !

~ATTN:... Mr.- ii~' G~. Le'wi~s-=

To\\'i~stiip Supervisor Plant' Manager.**

Covert-Towns hip Covert, Mi chi oan 49043 R 01.ri e : i i. Box 1 o.. _ _, ~ ~- : -. ~ ~, _ _ _ _

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v ~A )uren county, Michigan~; ~9043::.~: *. :':. : w; lli am J *** Scari'ton, -°Esqu1 re.::~

~- *:... ~-~-:>.: ****2034 Pauline'Soulevard**

O~f;:ce:of-the Governor (2)=_::.~ -

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..... AnnArbor,'M.ichfganme4s103"'*.

Ro6~ i ~ ta~itol.Building Lansing, ~1ichigan 48913

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  • .. Di rector*, Techrli ca lAssessme.nt *: *

~fviiion 07f~ ce of Ra di at ion Programs

(.!-.W-459)

U~ s~ Environmental Protection:

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Agency CrvstaJ Ma 11 #2 A~-1 ~;ngton, *Vi.rgi ni a *.. 20460

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  • Jable 6.-.4 summarizes.our:,f.ind1ngs.on,-.~he)sarnpJe of mechanlcal and electri.cal < ::**.*

......... compone.ntsarid '.~istr:i ~u_tian:~ysterris*:tha:r wer¢)valua~e~: ~o ~~etermi6e th~\\-:.

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  • ** *. ~... s.e:f~m.ic_ ~es:ign.. ~dequacy:<?t: sli~~.it~ins* requ~re~, fo(:tbe; safe.s.nu_tdc;>~ of.~the.' *.. [l ::;

P.a'.li_sade~ ;,n_ucle~r.s~eam.: s~ppJy :;system/* ~s,~~s.~ussef~n S~c~i_c)n. 6~:1<C)f.,this* **_.... *.. : >'H

.. report,_the sample includes components*the"~r.eyie_w :te,(lnt*seJe~ted, based.011c:.*.. < *._ :.**:*.r

.:,jupgemerit.. and experie~ce, as'* represen.. t~tiye :9,f 1 owe*r,;;,bOUl'.ld Sei smj( desigrf:*.-.(>:*.

.* capacity' of Palisades as well*; as the. gri:>upirig ;of CQmponents :irjto r.epreseritatlve

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aa~ed Lipan* 'the* design review and _independent_ 'C:alctJlations for. the* _.SEP._sejsmic.

  • load conditions, we reco111111en~ :that design 1T10difications *or r-eana}ysis may be,

. required for particular mec~an.ical. *and electrical components in order to

. withstand the 0.2g SSE without loss of st_ructural integrity as required tb >.

oerform safe:ty functions..* In.'general,: no information has_ been provided t9 date which_ demonstrates. the functional. adequacy of mechanical and electriCal '.'.

equipment evaluated on the Palisades Plant~.The.particular mechanical and electrical components which require additional evaluation and possible.. *

  • design modifications are as follows: _*.

.. 1 *

  • Essentia 1 Ser-Vice Water Pumps
2. Auxiliary Feedwater Pumps 3~

Diesel Generator Oil Storage Tanks *

4.
  • Safety I.njection Tanks
5.

Motor Operated Valves

6.

Contra l Rod Ori ve Mechanisms 7~ Steam Generators a~

Reactor Coolant Pumps.

9.
  • Reactor Vessel and Internals*

10~, Battery Racks*

11.* Motor Control 'Centers

12.

Switchgear

13.

Control.Room Panels

14.

Transformers 15.. El ectricaJ Cable Raceways

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... : :: T.11eLE<,~*4>., * * ?couCLus1ous REGARDING* EQUIPMENT REVIEW FOR Dl\\~lc *.DESIGN ADllOUAcY OF PALISADES

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  • conclusion and Recommendation O~l<.-.for *structural integrity if discharge head stresses are within code allowables (no.use of cast iron).* Functional integrity has not been

~evaluated other than in the ~nchor bolts due

    • to a lack of design detail.

O.K~:for str6ctural irit~grity~ Furictional

.. integrity has not been.evaluated due. to lack

'**of design detail..

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Heat F!xchanget

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.-'*Diese~l-;Gener:atoi-*.. Oil-: Storage -Tanks No evaluti'tion. has been* performed since no-*

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., * : : ::: * *. * * * :* drawings' br design calculCJ.tio.ns are currently.

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  • O*.~K.

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. '.:.*1 o.K. if tank support structure is rigid.

Complex

  • support.structure should bc*evalunted for-dynamic characteristics. to assure rigidity assumption is

~or~eot..

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  • Generic* analysi~ on~ motor-operated valves on lines ~* 4 inche~ should be performed to.show.**

resulting stresses in th~* pipe are less than 10\\

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of the. applicable Condition 13 (active).or Conditioe D (p'assive) *allowable stresses.

Otherwise,

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. *.*.. *.. ****** TABLE 6-'.4 >aj ** ar{c~HCLUSIONS REGARDING EQUIPMENT* REVIEW \\\\\\\\~UMIC.DESIGN ADEQUACY OF PALISADES

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>, D_escript:fon: *

  • ... *.*I *.... 1,
  • Conclusion and* Reconunendation *
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...;..,..----~---,.....,....----~-------------------------------------------

.., * ;... _ M*ator..:.operated Valves

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Steam Generator

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R.ea~t_or *coolant Pwnp

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.* Re*11citor Vessel Supports

    • . :. ***.. 11nd' -Internals
  • eatteJry Racks
  • Motor.*control Centers*

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  • ~tresses induced*by valve eccentricitysh6uld be

_intl:oduced int<> piping analysis to verify/design adequacy or pr'ovide *and implem'ent a procedure

      • whereby all motor valves ~ 4 inches be externally supported *.
  • Also, verification of structural E adequacy.alld function of val\\r"es themselves have V-to,.
  • not been demonstrated.

.. u.

  • o.K{ for structural integrity.

Based on the

  • existing calculations reviewed, active function cannot be ass~red *
  • O.K.

Ins~ffici,ent-information. provided to verif'y design

. adequacy..

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.. Insufficiel)t. information provided to adequacy.

verif.y design J

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  • Insufficientinforn\\ation provided
  • adequacy.

to 1\\rerl'Jy *design**

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Racks.a K.1 with the exc~ption of wooden *i'iiteral bracing. wh ch shoul.d be replaced or s~ren~:thened to carry full seisqtio ine~ti" loads,. '* *

~::~

. *~ j. ':.:.!~. :* '°I Anchorage O.K~

No inft:>r~a'tion

  • ava.ilable t'h evaluate rac)_c :s_tructurat a~~qu_C!qy.. O_J"*,_e_le_9~rl,qal,_ compcm_ent... _____ _

.: functionality. -

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~nchorage o.K.i lf ~nchor bolts are 7/8" ~i otherwise*

possible. design '.mod if !cations may be nec~~sary. No
.information available to evalua'te switchgear rack
*structural adequacy or electrical compon.en't

.: *functionality *.. * *..

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  • Conclusion and Recomrriendation
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.

  • Cont~ol Room Electrical Panels Lj.oensee to verify seismic desfgn ~d 1equacy.

. t.f~ ol ~ 11* * *. 'f" * ; ;1 I :/(I,_; ;; ] v cs.

Transformers

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,i*,~,,;.:,:i,tnd1 u"~~~ 19.( itfi~~!J~Pi~ers ;~*hau~~,be~~linchored.

.,. 1, ;1,.,.witti £qur. :l/2",~! anchor: bolts.

No. ~11formation

, available. to evaluate structural ade'quacy or

  • *~electrical functional! ty *.
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<Electi'ical Cable RaceWa)'S

.C~ble ttay*sugpprt systems should be evaluated.

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Ad~ftional information is rleeded for the fo1lciwin9:

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III~2. WIND AflD TORNADO.LOADING Provide. the tornado pressure profile u~ed in the. design of the. strucwte~ *..

.. Pravide the method used. to account. for.the i:eductio;-1 of* atmospheric pressure and venting of compartments inside the structure. *Does the ~

.structures rely on b 1 ow :out panels to ven.t the compartments? Ar.e any structures designed to lose externa_l panels in a tornado and ff so

,*provide the procedure used to. design the supporting structures.

I !I-3*.A *EFFECTS oF* HIGH WATER LE'/El ON STRUCTURES.

.. Provide drawings ~howing elevations* of the finished grade and.the.*

s~ructural openings "that are near the finished grade_.

  • Provi~
  • the elevat.ion of the maiimum water level predicted for the.site..

>:*including* the-* effects of wave runup. Provide the* procedure*-used to.

  • _ *:c.oiwert _water levels to structural loads ir'lcluding wave impact.
  • * *.Provide the load combination equations which considered high water *.

' with other loads..

1 u~4A TORNADO MISSILES -*

t.

<. 'Section* 5.1.3.2 ( h) of 'the FSAR shows a 1 i st of 5 tornado missiles which

.:

  • were used in the analysis of the containment.
  • Appendix A of the FSAA~ which *
  • ;**specifies the missiles for other class !structures, lists only two.of *
  • t.he *missiles used* in the containment analysis (4xl2 wood plank and. **
  • 4000 lb ato) but with. different velocities~ Confinn that this was

. the design conditions or provide the ~issile set that was use.d and 1 provide the ca1c*u1 ations** that show the structural. wal 1 withstand the missile impact *.. In addition, provide. the method used to show* the *

  • wa11s*can withstand the impact. *Provide the wall thicknesses and concrete
parameters.-used f9r the missile bar~iers calculations.
  • Spec"ify the

.:*load corribinations*that involved the tornado missile and tornado wind*

1 with other structural loads *on the missile barriers...

.. 111-4~ TuRBINE MISSILES*..

  • .. I

'.'.\\*.'.

  • 1 Provide the procedu:-e yo~ u.sed to determine th.e *necessary 'barrier

. * * *. * *. thickness to protect the' plant from turbine mfssiles~.*. lncl11de ~!Ht...,....

~\\*; ~< :Y~.-J::*;,.:; l<;* :*

1 _~;£~c~1t.~.~! a_. u_sed to pre_di ct_ spa 11 i ng and scabbing..

-~

.if:t~~:.:**. :-.,:~i: :'.,*.:; >

.. * ~

1::.~*:

.... ".. -~

. ~. *..
    • a-
  • * ** ~.~ '* ; : I *:

~.

~.. *. ~. *....... :: :'.

_;'..~;--.~*'.\\.*.*.. :*:

~; '1*

  • . ~: :
  • .'.f,'".* *

'. ~. ~

  • ux-4.c-Internally Generated 'K-iss-11es~ :'
)j --.. -- ' ' '
' The FSAR : add~~;~f
"-ori;~-: 3-'~~~~i~1y*._::9~~e*f ~f:~d/--mi. s~i 1

~s: *iri~*.*cqn~ ~; ri~nt-.* _:. -.

. :.* *. **:.f....

..Outside of Containme'nt"- iss1,.1ed by *consumers 's PCM_e*r on_May'-19 19,73 - * >>-.

  • i*
': and. revfsed ~uly q:J:,~ :..1973' i's: :n_ot: c(>li'q:>lete. with resp'ect to '_miss1 les.

SRP :3.S.1;.1-.addresses this. subject:for *areas outside.containment*

.> }" >. --1* Arrange.. a tour'*Gf. areas ClUtside eoritai~rit ~h~re protection against*. internally generated missiles has been provided *.. * *

.*: **** *~ *~~.

2

~ *. '~ii#~;: -~~?'1t:1ti =*:1~tf ~tr:~;~~ rg~ t~t::~ 1~.*n< ~* : **.

  • ., _,.. 3 ~. *Arrange ~a.::tQUt? ::cf :areas ou-ts-lde~ "Cont:a2i*nt ~here:-;pg~t ent 1 al mi.ss i 1 es.

--- as-:descr.ibed::in:SRP -:3:.5'.r:h-1:i!XiS1; -~~~here;n9~b~r~ieri arE! provided.

. ~-..... *...

Discuss or provide references for the deterio.inatfon that miss.ile protection is not required *. **

. -. ** *~..

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ui~7c DELAMINATIOH oF* PRES"rREssEo coNcJt£lE coNTA!_NtwENT srltuC'TUREs: :..

.* *Prov.icie-design "and/ot:as~built.dr-awirigs

  • ol the* containm~nt-_ dome showing* *.
    • . reinforcing *pla~ement~.fncludi.ng* r.adial steel, tendonJocations w:rt.n

~ :

i...

"1 end. anchorage *details, concrete* pouring sequence and the tendon

  • tensioning 'procedure and sequence.
  • The infonr.atiOn provided in amendment
  • 14 is not detail~d.en0ugh~ Provide. t.he drawfogs *\\rihjch.show *the sequenc~.

tendon by* tendon. Provide a copy of procedures used for dome inspection*

that woul_d assess *the.-likelihood of discovering delaminations in the

. concrete. *vour response of December 14, 1979 did not address *this.

portion of the. ~uestion~.. * * ***.. *.

.. '. ~

~-*

.. ~

"i*

_*'\\*_:..

* *e* c
  • . /..
        • <*::x.

'/

.,*.. *-RE~UE~-~*:*FO~R~~'Ao;b{r10NAL:'.'~.IH-FORMATION -'OH -

... ;,.* p~~c~.S A~E;~ FDR ~EP 'f.ctPIC: ~*~~ -~ ',) >.. * ***.. **

.. * ;:\\r;::~t~~m~~ *~1:;~::;:;;:~:r~~*= ~~~2:~i;:'.~~r~;~rm~:~:r ** ** *

.~* *

-.i*. cle:sc,r'I pt l:o_n.** Qf ~the fac,i 1 it i 'es prov I de~ for. re~.ote "

.. "is *.t1~t~ow~*--1ncluding.'the';".followi~g _l_nfarmat'l'ons....

~. *.

~

1.

~

<1 > __ Identlf.Y the systeiri"s and 1nstr.um.entat1on a_nd.
:..-;

contra 1 eq~_ I pment ~hat* are _requ i re.d tc:>> brlng the<~. * *

_ ;.>- _: ;: p la.nt.. ~.o-- a,,,!10_~-~.,ta.. u_t~11.!"li,'.:~r::p111~~0~.~.sJ,~e _,.Pf~.th~:.~:_._~~~

,,;.-,"co.ntro*l* *r_oom ~ana: ~(Feq:0'i'pineri-t ~Nhrcfi. ts* req*ui "."t!'d~ *.

to. ma~ntain it :in.this.. condlt)on._ >,

.'., *.J;
-: '.: ->~.:..:.*, -~--~.:.:: ~ ~.*! ~..... *. ~-: :.;* ~ ~.;. ~ -~. :- ~ *; --~. ~-*. :

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. **:--~:*:_.:

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.. ::*.? ~.*:... ~

<2~-~:Fcrr.:>arr::ac:tfi:tn~':*whfclFare;to1'~e: pef.=-farmw:u,.:~<::;::~: *.---..
    • .,.-. * :s'hutd~wn* :*fro.. m~::outsf'de:o.if-~t:Fie--:-c:ciatro:i--:;.c,~mi-:.:-~ :.::~::~

~ *-

* ~.* * -* -.
~ *,
  • ~. *, '.. ~: *

~*. *

.. -~.:... **~*, :=.... ' : :_.. ) *: "",.... ::, : *- :: I

, I -= '

  • -.., - -.. ~ *

.~.

  • I v
  • ':-ta>* Ident:.ify' *w:hef.e~ ;t.he 0-s>eratr.on an:ct
  • rts -&5s.oc0r&tecf *:

.:-=: ~ -~*: :.::

":-*:: :-: "'.cont~o1.: and:- tnd.rcatc>:r:i~_. a Ve :ph~i'.ca i 1.,.: =1oce1:ei1~-=

<e.* g.-*Aui(llfar*y :~t.~t:down:P'8,ru!)*-_,::i-tcc*~~anual:'::-: *

,*:*-:operatio;tsof~a: valv-e:.::etc~~...

.-:~: ~:: ::.:.,.::;.; :--

~

I

. *~..

-~. ---.:.....;.

Cbl Provide the ~r~wtngs which ~haw the 16eat1o~-~nd i dent if i cation of the contra 1 boards a'nd equipment located thereon,.and equ I pment and. locations*

w I th 1 n the col\\troJ room that support th_e descrfption of how.. General design ~dter.ian 19 Is Implemented.in the plant* * -

  • <c> Confir~ tb~t ptoper*.p~~cedural-guidane~~foi m~dification of c~nt~ols an~*lnstrumentatlon that ma'y be' modified as actual abnormal-conditions.

dl~tate will be prepa~ed *n advance, ~pgr~ded as

_ necess.ary, a"d _ ava f l~b ie when requ f red *. *

  • . : ( 3 > Identify each circuit that contains a trans,fer switch.
<.4 > --- Provide plant-layout* sketches that show where the switches.are located.

_15)' Descrlbe the ~e~~o~~-that will be ~sed t~ seal

- 'th~ transfer's~ltches.

. *.\\.. :

' >> Des c r i be the

  • cons e q u enc es o'f an. i n adv er tent *
  • actuation of* one* or more of the sw i tche-5. *
(7) Identify and justify.each tran~fer switch T

.*.that is not: wired to the bypassed and lnape~able ~tatus Indication ~yst~m.

,._. *~,.. "

. ~~.: :*.. *-

e

. )

  • -*2-***

,<.a>.u;;.c r i b.e. t hi. *et ~ids *~~~: )

~~j.,;.'t 1 ~~;

  • v oiij~bi:~
  • ~u~s Ide of, ~he co~trol ro~m.bY l.lh.~ch the'. ::<

ope ratc>r. can:.~

I

'.~

  • .... <~J verf~y-rel_l.;f :v:alve oi>.eratJ.O.n";'. *..,*'
      • : :.:* (bJ
  • detl!rm i ne
  • reac:tar*. pi"_e*ssur~ t< ~*teinper*ature_, -:and

_: ::_ coorllnt ~level i' ;...

... '.* <c> <determine co11t.ainment pres.s_u-re:. and~ * *.

',. :( d) determine "serv ~ ce wate.~:: flow and temperature thr.ough the RHR. heat exchangers~..

,i.

1*

I

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    • , -~: *. '., -~.~~-*.;:*-.:~.~~.:.:*~*:<*.:..... *.. ** _... :~;':/>:* **..... ~:*.~* *.

.. ;9uestions - Pali.sades Systems>:

-<~.*. *,' *'

  • .'.'- ;.... ' - ' =>:~f..;.::, :.** :~):::J,:**:':\\'* ;:-~: :*~

- ;;..... L<". Discuss-- ttie following design.* modificatipns :With respect-<tO.. <:*::

. ~;.: implernentat.ion statii$, setpoints;<a~:d/or technical' s'pedfication

. : *. : J

<*:~ha~.9,~S :.: : :: *..

  • . <; *_; :~,: :~.:, *:~ ': : -~*:: *t ~).*,;:.~_.; ~ ~ :~ : ~.;,, ~: ~ f::~ :~< :-*) ~-.. ~: :y~ : /.>.... *
  • .: -a) automati:e isolation of main feedwater on low :steam*... **:
    • ." * :... gen~ra,tor--4iressure:1Ji:'closure':of:matll:Jeed, regulatis:ag ',...*'

.. **... *and bypass;,valves:,-*,::*::,;

.. ::**<*.. :*:.::,:*:*~-~*;:-:.:*:~:::*.:*:~:*

b) * *automati-c
iottiat1on: :Of a~i 1 i ar_Y.:.feetfwrter. on low

' ' '.*.*~* suction flow to the' ~in* feed' pulllPs or on closure of_

  • fe~ pump tu*rbine stop valves*

e) *auxiliary feedwater flow controller l,imit and tirne.**

delay on inttiatfon d) containment-spray modifications*. to resolve LER 80-00~

1.

MSIV clos'ure time

.. 2.

resequencing of diesel. loads

2..

Briefly *explain h.ow auxiliary feed flow controlier works, its susceptibility to failurer and the effect of failure on auxiliary feed flow delivery to' generator,' considering* the cause with a -

' steam or feed 1 i ne break as we l1 as for an intact system.

3.* ls the setpoint*for.. MSiV closure on high co~tainmeotpressurethe

.....--~ -~ *.,

  • . same as. for reactor trip, safety i.njection and containment isolation? *
  • 4~ ;,Discuss.:,norinal 1 ineUp-:for HPSLsystem>with respect to HPSI header and redundant HPSI header * *.

a) Which'pumps discharge to each header b)

  • What are the injection mode positions of valves:

CV3036

...

  • MOV3062.

CV3037

  • MOV3064 *

. MOV3018 MOV3066 I

CV3059 MOV3068

  • c). What is failure position on loss of air or power of.:

. CV3036

.

  • CV3037 *.

. CV3059..

  • d)

Which diesel generator supplies ea_ch of the following loads:

.. i.

HPSI Pump.

P66A

    • P66B P66C LPSI' Pump

. _ ~P67A. *

.*.*. P67B...

  • Containment Spray Pump P54A*
  • P548 MOV3007.
  • MOV3009

.MOV3011 MOV3013

  • MOV3062..

MOV3064 MOV3066.*

MOV3068

. P54C MOV3008 MOV3010

. MOV3012 **

MOV3014

  • . '.J '.

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        • \\::*-****.

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    • ._ **,::::~ ~

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!~dpm~~~~pr:>J:!1~ wn~~.~;c1~~~:~$¥'\\}rai.i~g~ ~**1.curre~t;

  • E~3*itevt.>.'.114/79**.>* :,_.*..

~.* :/

  • ~*' ***

'E~4 Rev J *.*. l/ 4/79 >{Sheet *.1.) **

~ E-5 Rev S. 1/~/79 (Sheet 1)

\\ _:**:*.

e). What is the. power: source (control arid/or 111Qtive'*power) for_*.*.

-~-**...

  • CV303~.
  • CY3037. CV3()59. a.rid "10V.30~8?

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